Vanadium Redox Flow Ibhetri, igama elipheleleyo iVanadium REDOX ibhetri yokuhamba (VRB), luhlobo lwebhetri yeREDOX apho izinto ezisebenzayo zijikeleza kwimeko yolwelo. Iibhetri ze-Iron-chromium REDOX ziye zajikeleza ukususela kwi-1960s, kodwa iibhetri ze-vanadium REDOX zacetywa ngo-1985 nguMarria Kacos kwiYunivesithi yaseNew South Wales e-Australia, kwaye emva kweminyaka engaphezu kwamashumi amabini yophando kunye nophuhliso, iteknoloji isondele. yokuqola. EJapan, i-fixed-type (ngokuchasene ne-EV) iibhetri ze-vanadium ze-peak zokulawula izikhululo zamandla kunye nokugcinwa kwamandla omoya ziphuhliswa ngokukhawuleza, kwaye iinkqubo zokugcina amandla ebhetri ye-vanadium yamandla aphezulu ziye zasetyenziswa kwaye zathengiswa.
Amandla ombane weibhetri vanadiumigcinwe njengamandla ekhemikhali kwi-sulfuric acid electrolyte ye-vanadium ion yamazwe ahlukeneyo e-valence, kunye nei-electrolytic hydraulicUxinzelelo lufakwa kwimfumba yebhetri yimpompo yangaphandle. Ngaphantsi kwesenzo samandla oomatshini, uxinzelelo lwe-electrolytic hydraulic lujikeleza kwiitanki ezahlukeneyo zokugcina ulwelo kunye nelophu evaliweyo yesiqingatha sebhetri. I-membrane yokutshintshiselana kweProton isetyenziswa njenge-diaphragm yepakethi yebhetri, kwaye isisombululo se-electrolyte sihamba ngokuhambelana nomphezulu we-electrode kunye nokusabela kwe-electrochemical kwenzeka. Amandla ekhemikhali agcinwe kwisisombululo aguqulwa abe ngamandla ombane ngokuqokelela kunye nokuqhuba ngoku ngokusebenzisa iipleyiti ezimbini ze-electrode. Le nkqubo yokubuyisela umva ivumela ibhetri ye-vanadium ukuba ihlawulwe, ikhutshwe kwaye iphinde itshajwe kakuhle. I-electrolyte e-Positive ine-V(Ⅴ) kunye ne-V (Ⅳ) isisombululo se-ionic, i-electrolyte engeyiyo ine-V (Ⅲ) kunye ne-V (Ⅱ) isisombululo se-ionic, ukutshaja kwebhetri, izinto ezilungileyo ze-V (Ⅴ) isisombululo se-ionic, i-V (Ⅱ) ionic isisombululo, ukukhutshwa kwebhetri, i-electrode efanelekileyo kunye ne-negative ngokulandelelana kwe-V (Ⅳ) kunye ne-V (Ⅲ) isisombululo se-ionic, ibhetri yangaphakathi ngokuqhuba kwe-H +. I-V(Ⅴ) kunye ne-V(Ⅳ) ii-ion zikhona ngokohlobo lwe-VO2+ ion kunye ne-VO2+ ion ngokulandelelana kwisisombululo esine-acidic, ngoko ke iimpendulo ezilungileyo nezingalunganga zeebhetri ze-vanadium zingabonakaliswa ngolu hlobo lulandelayo:
I-electrode entle ngexesha lokutshaja: VO2++H2O→VO2++2H++e-
I-electrode engalunganga xa utshaja: V3++ e-→V2+
I-anode yokukhupha: VO2++2H++e-→VO2++H2O
Ukukhupha i-electrode engalunganga: V2+→V3++ e-
Isetyenziswa njengenkqubo yokugcina amandla,iibhetri vanadiumbanezi mpawu zilandelayo
I-1, amandla okukhutshwa kwebhetri kuxhomekeke kubungakanani bemfumba yebhetri, amandla okugcina amandla axhomekeke kugcino lwe-electrolyte kunye noxinaniso, ngoko uyilo lwayo lubhetyebhetye kakhulu, xa amandla okuphuma eqinisekile, ukwandisa amandla okugcina amandla, njengoko ixesha elide njengoko ukwandisa umthamo wetanki yokugcina i-electrolyte okanye ukuphucula i-electrolyte concentration;
I-2, into esebenzayo ye-vanadium ibhetri ikhona kwi-liquid, i-ion ye-electrolyte inye kuphelaion vanadium, ngoko akukho tshintsho lwesigaba sezinye iibhetri xa uhlawula kwaye ukhupha, ibhetri inobomi obude benkonzo;
I-3, intlawulo, ukukhupha ukusebenza kulungile, kunokukhupha okunzulu ngaphandle kokonakalisa ibhetri;
4. Ukuzikhupha okuphantsi, xa inkqubo ikwimo evaliweyo, i-electrolyte kwi-tank ayinayo into yokuzikhupha;
I-5, inkululeko yendawo yebhetri ye-vanadium, inkqubo inokuthi isebenze ngokuzenzekelayo ngokuvala, akukho ngcoliseko, ukugcinwa okulula, iindleko zokusebenza eziphantsi;
I-6, inkqubo yebhetri ayinakho ukuqhuma okanye ingozi yomlilo, ukhuseleko oluphezulu;
I-7, iindawo zebhetri zizinto zekhabhoni ezingabizi kakhulu, iiplastiki zobunjineli, imithombo yezinto eziphathekayo zityebile, kulula ukuzisebenzisa kwakhona, azidingi isinyithi esixabisekileyo njenge-electrode catalyst;
I-8, ukusebenza kakuhle kwamandla aphezulu, ukuya kuthi ga kwi-75% ~ 80%, ukusebenza kweendleko eziphezulu kakhulu;
9. Isantya sokuqalisa ngokukhawuleza, ukuba i-reactor igcwele i-electrolyte, inokuqaliswa ngaphakathi kwe-2min, kwaye ukutshaja kunye nokukhutshwa kokutshintsha kombuso kufuna kuphela i-0.02s ngexesha lokusebenza.
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